Ablutoskepsis is a fetish for watching undressed women showering or bathing, especially without their knowledge. It is a form of voyeurism.
More About Ablutoskepsis
People with ablutoskepsis enjoy seeing women naked as the sensual act of bathing or showering. If they enjoy watching women in secret, as is the commonly accepted use of the term, the taboo nature of gaining sexual gratification without the object of desire’s knowledge is also appealing.